printk changes for 6.9-rc2

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Merge tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fix from Petr Mladek:

 - Prevent scheduling in an atomic context when printk() takes over the
   console flushing duty

* tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: Update @console_may_schedule in console_trylock_spinning()
This commit is contained in:
Linus Torvalds 2024-03-26 09:25:57 -07:00
commit 7033999ecd

View file

@ -2009,6 +2009,12 @@ static int console_trylock_spinning(void)
*/
mutex_acquire(&console_lock_dep_map, 0, 1, _THIS_IP_);
/*
* Update @console_may_schedule for trylock because the previous
* owner may have been schedulable.
*/
console_may_schedule = 0;
return 1;
}